Connecting rod



FIG. 1 is a front, left perspective view of a connecting rod showing my new design;

FIG. 2 is a top plan view of the connecting rod;

FIG. 3 is a bottom plan view of the connecting rod;

FIG. 4 is a left side view of the connecting rod;

FIG. 5 is a right side of the connecting rod;

FIG. 6 is a front elevational view of the connecting rod; and

FIG. 7 is a rear elevational view of the connecting rod. 

The ornamental design for a connecting rod, as shown and described. 